ATPL: Which statement is true ?
Domanda 58, Meteorology - ATPL - Airline Transport Pilot license
| QNH can not be 1013.25 hPa |
| QNH can be lower as well as higher than 1013.25 hPa |
| QNH can be 1013.25 hPa only for a station at MSL |
| QNH is lower than 1013.25 hPa at any time |
